... /m)≥ 96.0Drying loss of weight,%(m/m)≤ 1.5Free Phenol, %(m/m)≤ 0.3AppearanceWhite powder2,4-D Amine 720 SL2 ... , g/L≥ 7202,4-D Acid content, g/L≥600Free phenol, %≤ 0.5Specific gravity1.206pH value8-9 Appearancelight yellow transparent liquid ...